Chinese Optics Letters, Volume. 18, Issue 11, 111902(2020)
Efficient 671 nm red light generation in annealed proton-exchanged periodically poled LiNbO3 waveguides Editors' Pick
Fig. 1. (a) Refractive index increment as a function of surface proton concentration
Fig. 2. (a) SEM picture of
Fig. 3. Schematic experimental setup. The two insets are the images of the FW and SH wave, respectively.
Fig. 4. Temperature tuning curve of APE PPLN waveguide with 11.78 μm poling period. The black dots and the dashed red line are the measured data and fitted curve, respectively.
Fig. 5. Measured SHG conversion efficiency as a function of the power of FW with (a) CW and (b) 50 ns, 10 kHz pulsed input. The blue dots and the green line correspond to the measured conversion efficiency and the linear fitting curve, respectively.
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Yunfei Niu, Lei Yang, Dongjie Guo, Yan Chen, Xiaoyang Li, Gang Zhao, Xiaopeng Hu. Efficient 671 nm red light generation in annealed proton-exchanged periodically poled LiNbO3 waveguides[J]. Chinese Optics Letters, 2020, 18(11): 111902
Category: Nonlinear Optics
Received: Jun. 28, 2020
Accepted: Aug. 3, 2020
Published Online: Sep. 29, 2020
The Author Email: Gang Zhao (zhaogang@nju.edu.cn), Xiaopeng Hu (xphu@nju.edu.cn)